Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1451

Operated by United Airlines

Live map

Live map filtered to UAL1451. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
04:43 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
260° / 3 kt
Visibility
10 SM
Ceiling
OVC 1,200 ft
Temp / Dew
12°C / 9°C
Altimeter
30.09 inHg

Obs: 2026-05-30T10:56:00.000Z

Raw METAR / TAF 
METAR KSFO 301056Z 26003KT 10SM OVC012 12/09 A3009 RMK AO2 SLP190 T01220094

TAF KSFO 301122Z 3012/3118 27008KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC FM311200 27005KT P6SM FEW005

flight Live Traffic

flight_takeoff 208 Departures
flight_land 227 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
05:43 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
280° / 6 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft
Temp / Dew
11°C / 8°C
Altimeter
29.81 inHg

Obs: 2026-05-30T10:53:00.000Z

Raw METAR / TAF 
METAR KDEN 301053Z 28006KT 10SM FEW100 11/08 A2981 RMK AO2 SLP030 T01110083

TAF KDEN 301120Z 3012/3118 27006KT P6SM FEW200 FM301400 28009KT P6SM SCT180 FM302000 34008KT P6SM VCSH SCT100 PROB30 3021/3101 VRB15G25KT -SHRA FM310300 27013KT P6SM FEW080 SCT100 FM310700 23011KT P6SM FEW100 SCT200 FM311500 28009KT P6SM FEW200

flight Live Traffic

flight_takeoff 364 Departures
flight_land 492 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AB28D7 SFO → DEN May 29, 16:25 UTCMay 29, 19:20 UTC2h 55m - -
2026-05-28 ABA91B SFO → DEN May 28, 16:25 UTCMay 28, 19:45 UTC3h 20m - -
2026-05-25 AB48E8 SFO → DEN May 25, 16:20 UTCMay 25, 19:30 UTC3h 10m - -
2026-05-24 AC4107 SFO → DEN May 24, 16:20 UTCMay 24, 19:25 UTC3h 5m - -
2026-05-23 AC121A SFO → DEN May 23, 16:50 UTCMay 23, 19:45 UTC2h 55m - -
2026-05-22 AC234F SFO → DEN May 22, 16:30 UTCMay 22, 19:25 UTC2h 55m - -
2026-05-21 AB618B SFO → DEN May 21, 17:15 UTCMay 21, 20:05 UTC2h 50m - -
2026-05-20 A0BF26 SFO → DEN May 20, 23:15 UTCMay 21, 00:40 UTC1h 25m - -
2026-05-20 A0BF26 SFO → DEN May 20, 23:17 UTCMay 21, 00:40 UTC1h 23m +14m +2m
2026-05-19 A097E9 SFO → DEN May 19, 23:10 UTCMay 20, 00:45 UTC1h 35m - -
2026-05-18 A097E9 SFO → DEN May 18, 23:15 UTCMay 19, 00:45 UTC1h 30m - -
2026-05-17 A24C99 SFO → DEN May 17, 23:25 UTCMay 18, 01:00 UTC1h 35m - -
2026-05-16 AC234F SFO → DEN May 16, 23:05 UTCMay 17, 00:40 UTC1h 35m - -
2026-05-16 AC234F SFO → DEN May 16, 23:17 UTCMay 17, 00:36 UTC1h 19m +14m +2m
2026-05-15 A2C35B SFO → DEN May 15, 23:15 UTCMay 16, 00:40 UTC1h 25m - -
2026-05-15 A2C35B SFO → DEN May 15, 23:17 UTCMay 16, 00:37 UTC1h 20m +14m on time
2026-05-14 A0BF26 SFO → DEN May 14, 23:15 UTCMay 15, 00:40 UTC1h 25m - -
2026-05-13 A224F9 SFO → DEN May 13, 23:05 UTCMay 14, 00:30 UTC1h 25m - -
2026-05-12 A47809 SFO → DEN May 12, 23:15 UTCMay 13, 00:55 UTC1h 40m - -
2026-05-12 A47809 SFO → DEN May 12, 23:17 UTCMay 13, 00:53 UTC1h 36m +14m -2m
2026-05-10 A2C338 SFO → DEN May 10, 23:15 UTCMay 11, 00:30 UTC1h 15m - -
2026-05-10 A2C338 SFO → DEN May 10, 23:17 UTCMay 11, 00:34 UTC1h 17m +14m +1m
2026-05-09 AB1DB2 SFO → DEN May 9, 23:20 UTCMay 10, 00:49 UTC1h 30m - -
2026-05-08 A13608 SFO → DEN May 8, 23:25 UTCMay 9, 00:55 UTC1h 30m - -
2026-05-08 A13608 SFO → DEN May 8, 23:39 UTCMay 9, 00:53 UTC1h 14m +36m on time
2026-05-07 A13608 SFO → DEN May 7, 23:39 UTCMay 8, 01:04 UTC1h 25m - -
2026-05-06 A49F87 SFO → DEN May 6, 23:10 UTCMay 7, 00:40 UTC1h 30m - -
2026-05-05 A097CC SFO → DEN May 5, 23:10 UTCMay 6, 00:40 UTC1h 30m - -
2026-05-05 A097CC SFO → DEN May 5, 23:17 UTCMay 6, 00:38 UTC1h 21m +14m +5m
2026-05-04 A070D7 SFO → DEN May 4, 23:15 UTCMay 5, 00:50 UTC1h 35m - -

Performance history

Flights tracked
82 showing last 30
Avg arrival delay
+1m
On-time arrival
100% 100% on time
Aircraft used
19

Monthly activity 2 months

Month Flights tracked
May 2026 34
April 2026 48

UAL1451 frequently asked

Where does flight UAL1451 fly?
UAL1451 (United Airlines) flies from SFO to DEN. View the full route page.
How long is flight UAL1451?
Based on observed flights, UAL1451 takes on average 1h 49m from takeoff to landing.
How often does UAL1451 fly?
UAL1451 has been observed flying several times a week in our tracking data. We've recorded 82 flights under this callsign.
Is flight UAL1451 usually on time?
Across recent flights, UAL1451 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1451?
UAL1451 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1451 live?
Yes. When UAL1451 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.